0.7×+×l5+0.7×+×l5.
脱式计算(怎样算简便就怎样算).(18.6﹣18.6÷3.1)×1.6 12.5×2.5×3.2 4.5÷18 32.9×0.46+5.4×3.29.
脱式计算.4.27﹣1.72+0.73﹣2.28 1.25×8.37×0.87.8﹣7.8÷(1.3×1.5) 5.28+5.28×9.
脱式计算 (能简算的要简算).72.8÷5.6+1.49 58.1﹣29.7÷3 30.94﹣5.09﹣4.913.94+34.3×0.2 5.4×2.3+5.4×7.7 3.2×12.5×0.25.
计算下面各题,怎样简便怎样计算6.89+4.7+2.11+5.3 125×25﹣125×17 7.46﹣2.37﹣1.6314﹣(3.65+0.24) 6400÷25÷4 (275﹣35)÷(17+43)
〔0.5+(2﹣0.75)〕×1.6 10.73﹣4.76﹣5.2417.4×2.43﹣1.43×7.4 2.2+(4.72﹣2.8)÷0.4.